Search | Engine

Do you have questions? How can you do this without getting the engine and electronics all wet? Why do I need to clean my engine? Is it worth the effort? How long does it take? Can I do it inside my garage? Study the picture carefully to see what is included in the kit.

You will save $$ by purchasing the complete kit. Each item can be purchased separately in the related products below. Click on each one to learn the specifics of each product included here.

When replacing the pan or the gasket we recommend installing these new stainless hex bolts and washers. You can see the pans these will work on below.

For 1993 to 1999 straight six engines. ( will not fit earlier 104 engines with CIS fuel injection) It is getting harder to find good head gasket replacement kits for the 6-cylinder M104 engine.

Condition as shown. This is the actual part you will receive.

For later 1973 to 1980, 4.5 V8 engines - 450SL, 450SLC, 450SE, and 450SEL. Very nice set of high-performance wires for your 450V8. But we ask you to check your distributor cap before ordering as there was a change in 1973 and even some 1974 models may have the older orange/ brown color cap.

Good used condition. no damage or excessive wear on the teeth.

This critical coolant hose hardly ever gets changed, and when it ruptures, you could experience a catastrophic engine failure. The chief reason is that it is almost impossible to see and inspect.

Set of upper and lower main radiator hoses as shown. 

New water pump and gasket as shown. Plan to change the short hose and thermostat at the same time. Inspect v-belts and change if cracked.

If you have one belt that is going bad, replace them all simultaneously. You don't want to have to do this job again in the near future.

Kent and others have seen valve cover leaks return within a few years after resealing. Some feel this may be a design flaw, but I contend the job was never done right in the first place. Let Kent explain why the leaks come back...

Depending on the age and mileage of your V6 or V8 engine, this part may or may not need to be changed when you replace the breather hoses. You can check before ordering. If the part is still soft and rubbery, then it most likely can be reused.

We know it is a surprise to many owners to discover there is a small thermostat inside the oil filter housing. Rather than write about it, watch the video below and Kent will explain the theory of operation and how to get it it.

This OEM thermostat from another engine fits perfectly in the OM617 diesel engine. It does require a special rubber seal, which we include here.

New tensioner as shown. No specific instructions are available but this can be installed from outside the engine once you get access the the hold down bolts.

Very nice set with silicone copper core wires. See detailed pictures below. Two coil leads of different lengths included. Check before ordering as this fits these models from the early 1990s with dual distributors in the front of the engine. 400E. 400SE.

Fits all V6 engines from 1998 to 2005. Outstanding quality. Consider changine these when you replace the plugs. Special pricing on limited stock.

Kent, as well as others, have seen valve cover leaks return within a few years after resealing. Some feel this may be a design flaw, but I contend the job was never done right in the first place. Let Kent explain why the leaks come back...

This very common wear part is easy to inspect and easy to replace if you know how to loosen the drive belt. You do not need to take the belt all the way off - just drop the top down.